Home / 8,166,701.80-12,236,055.90-5,325,351.40

Finding the Fourth Proportional to 8,166,701.80, 12,236,055.90 and 5,325,351.40

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Solution

The fourth proportional to 8,166,701.80, 12,236,055.90 and 5,325,351.40 is: 7,978,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166,701.80 : 12,236,055.90 = 5,325,351.40 : x
  2. Step 2: Convert to fraction form
    8,166,701.80/12,236,055.90 = 5,325,351.40/x
  3. Step 3: Cross multiply
    8,166,701.80x = 12,236,055.90 × 5,325,351.40
  4. Step 4: Simplify right side
    8,166,701.80x = 65,161,297,417,543.27
  5. Step 5: Solve for x
    x = 65,161,297,417,543.27/8,166,701.80
  6. Step 6: Final answer
    x = 7,978,900.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.